//-
// ==========================================================================
// Copyright (C) 1995 - 2005 Alias Systems Corp. and/or its licensors.  All 
// rights reserved. 
// 
// The coded instructions, statements, computer programs, and/or related 
// material (collectively the "Data") in these files are provided by Alias 
// Systems Corp. ("Alias") and/or its licensors for the exclusive use of the 
// Customer (as defined in the Alias Software License Agreement that 
// accompanies this Alias software). Such Customer has the right to use, 
// modify, and incorporate the Data into other products and to distribute such 
// products for use by end-users.
//  
// THE DATA IS PROVIDED "AS IS".  ALIAS HEREBY DISCLAIMS ALL WARRANTIES 
// RELATING TO THE DATA, INCLUDING, WITHOUT LIMITATION, ANY AND ALL EXPRESS OR 
// IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND/OR FITNESS FOR A 
// PARTICULAR PURPOSE. IN NO EVENT SHALL ALIAS BE LIABLE FOR ANY DAMAGES 
// WHATSOEVER, WHETHER DIRECT, INDIRECT, SPECIAL, OR PUNITIVE, WHETHER IN AN 
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, OR IN EQUITY, 
// ARISING OUT OF ACCESS TO, USE OF, OR RELIANCE UPON THE DATA.
// ==========================================================================
//+

#ifndef _iffreader_h
#define _iffreader_h

#include <math.h>
#include <maya/ilib.h>

typedef unsigned char byte;

class MStatus;
class MString;

class IFFimageReader
{
public:
	IFFimageReader ();
	~IFFimageReader ();
	MStatus open (MString filename);
	MStatus close ();
	MStatus readImage ();
	MStatus getSize (int &x, int &y);
	MString errorString ();
	int getBytesPerChannel ();
	bool isRGB ();
	bool isGrayscale ();
	bool hasDepthMap ();
	bool hasAlpha ();
	MStatus getPixel (int x, int y, int *r, int *g, int *b, int *a = NULL);
	MStatus getDepth (int x, int y, float *d);
	const byte *getPixelMap () const;
	const float *getDepthMap () const;

protected:
	ILimage *fImage;
	byte *fBuffer;
	float *fZBuffer;
};

#endif